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Breakfast showdown: protein vs. carbs for Kids' brains

NCT ID NCT03386396

Knowledge-focused Sponsor: Arkansas Children's Hospital Research Institute Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how different breakfasts affect thinking and brain activity in 9-10 year old children. Researchers will give kids either a high protein or high carbohydrate shake and then test their memory, attention, and brain function using tests and brain scans. The goal is to learn more about how morning nutrition impacts learning and school performance.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
High protein/low carbohydrate shake or high carbohydrate/low protein shake
What this could lead to
If it works, this could help us understand how breakfast choices affect children's brain function and learning.
What could go wrong
This is an observational study, not a treatment trial. Results may not apply to all children, and the effects may be small or hard to measure.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 151 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2017

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

9 to 10 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 9-10 yr, 3rd to 5th grade * Obese * Right hand dominance * Report eating breakfast at least 4 days/week * Able to hear at least 20dB stimulus * Visual acuity must be at least 20/40 * Biological mother available to attend visit Exclusion Criteria: * Full scale IQ \<80 * Children taking medications or having chronic illness/disorders

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Healthy OBESE

Contacts and locations

Locations

  • Arkansas Children's Nutrition Center

    Little Rock, Arkansas, 72203, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.